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bivarRIpower (version 1.2)

bivarRIpower-package: Sample size calculations for bivariate longitudinal data

Description

Provides function to carry out sample size calculations for correlations that occur between random intercepts, residuals, and observations in a bivariate longitudinal model. Maximum likelihood estimates are used for correlation variances. Sample size is calculated under one-sample z-test framework. Details of calculations are given in Comulada and Weiss (2010).

Arguments

Details

Package:
bivarRIpower
Type:
Package
Version:
1.2
Date:
2010-12-02
License:
GPL (\>=2)
LazyLoad:
yes

References

Comulada WS and Weiss RE. (2010). Power calculations for correlations between bivariate longitudinal data. Statistics in Medicine. 29(27): 2811-2824.